title: MMP-9 polymorphisms are not associated with spontaneous cervical artery dissection.
mesh_terms: D000328:Adult; D020215:Carotid Artery, Internal, Dissection / Q000235:genetics*; D005260:Female; D005787:Gene Frequency / Q000235:genetics; D005838:Genotype; D006801:Humans; D008297:Male; D020780:Matrix Metalloproteinase 9 / Q000235:genetics*; D018895:Microsatellite Repeats / Q000235:genetics*; D011110:Polymorphism, Genetic; D012016:Reference Values; D020217:Vertebral Artery Dissection / Q000235:genetics*
chemical_list: D020780:Matrix Metalloproteinase 9